$items = DBA::p("SELECT `item`.`id`, `item`.`verb` AS `item-verb`, `item-content`.`verb`, `item-activity`.`activity`
FROM `item` LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`
LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id` AND `item`.`gravity` = ?
$items = DBA::p("SELECT `item`.`id`, `item`.`verb` AS `item-verb`, `item-content`.`verb`, `item-activity`.`activity`
FROM `item` LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`
LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id` AND `item`.`gravity` = ?